disable tiered compilation for benchmark runs #75
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by default, leiningen sets the JVM up for startup time, via tiered
compilation (see https://github.com/technomancy/leiningen/wiki/Faster).
This doesn't play so well with benchmarks, so when running benchmarks, you
need to turn off tiered compilation. Also nearly every production
jvm runs with AggressiveOpts, UseFastAccessorMethods, and -server, so
enable them too.
comparison output (note: not too meaningful, given that most folk running
cheshire in production won't be using it on a laptop running os x, but
it gives some idea of the difference):
https://gist.github.com/tcrayford/1744556933d71f120605